Preheat oven to 400°F. In a large bowl or food processor, mix flour, cheese, baking powder, oregano and salt. Cut in butter, using a pastry blender, two knives, or pulses of a food processor, until mixture resembles coarse crumbs. Transfer mixture to a large bowl, if blended in food processor.
In a small bowl, stir together milk, eggs and TABASCO® Sauce. Make a well in center of dry ingredients and add milk mixture, stirring just until combined. Mix in onion. Dough will be sticky.
Lightly butter a baking sheet. With lightly floured hands, pat dough into a 9-inch circle in center of baking sheet. Cut circle into 8 wedges. Bake scones 20 to 25 minutes, or until lightly browned.
Makes 8 scones.
Nutritional information per serving: 238 Calories, 9 g protein, 27 g carbohydrate, 10 g fat, 77 mg cholesterol, 393 mg sodium